Steam sterilization monitor



FIG. 1 is a perspective view of a steam sterilization monitor of our new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a side elevational view thereof; and,

FIG. 5 is a bottom plan view thereof.

The broken line showing of an extension portion is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for a steam sterilization monitor, as shown and described. 